code: def b2mb(x):
      return int(x / 2**20)
  
imports: from IPython import get_ipython
  from collections import namedtuple
  import datetime
  import gc
  import logging
  import os
  import psutil
  import random
  import sys
  import threading
  import time
label_desc: Use image node_id 1 for calling a global function with example usage: b2mb(x) and returns: int